LAN9353 Datasheet, PDF (307/523 Pages) Microchip Technology – Interfaces at up to 200Mbps via Turbo MII

LAN9353
10.7.3.19 Switch Engine Admit Only VLAN Register (SWE_ADMT_ONLY_VLAN)
Register #:
1842h
Size:
32 bits
This register is used to configure the per port ingress rule for allowing only VLAN tagged packets.
Bits
Description
31:3 RESERVED
2:0 Admit Only VLAN
When set, untagged and priority tagged packets are filtered.
The VLAN Enable bit in the Switch Engine Global Ingress Configuration Reg-
ister (SWE_GLOBAL_INGRSS_CFG) needs to be set for these bits to have
an affect.
There is one enable bit per ingress port. Bits 2,1,0 correspond to switch ports
2,1,0 respectively.
Type
RO
R/W
Default
-
000b
 2015 Microchip Technology Inc.
DS00001925A-page 307